Neutral pressure valve sleeve



FIG. 1 is a front elevation view of a neutral pressure valve sleeve design. The rear elevation view is a mirror image thereof.

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a left side elevation view thereof. The right side elevation view is a mirror image of the left side elevation view.

FIG. 5 is a cross-sectional view of the neutral pressure valve sleeve design taken along line A-A in FIG. 1; and,

FIG. 6 is a top front perspective view thereof.

Throughout the Figures, the dashed lines represent environmental matter and form no part of the claimed design. 

CLAIM The ornamental design for a neutral pressure valve sleeve, as shown and described. 